fix: search bar crash as new source added

src/components/column/dnd.tsx

@@ -95,9 +95,6 @@ function DndWrapper({ items, setItems, children }: PropsWithChildren<{
     wait: AnimationDuration,
   })
   const { el } = useAtomValue(goToTopAtom)
-  useEffect(() => {
-    console.log(el)
-  }, [el])
   return (
     <DndContext onDropTargetChange={run} autoscroll={el ? { element: el } : undefined}>
       {children}

src/components/common/search-bar/index.tsx

@@ -47,7 +47,7 @@ export function SearchBar() {
           title: source.title,
           column: source.column ? columns[source.column].zh : "未分类",
           name: source.name,
-          pinyin: pinyin?.[k as keyof typeof pinyin],
+          pinyin: pinyin?.[k as keyof typeof pinyin] ?? "",
         })))
     , [],
   )